A Computer based signal acquisition and evaluation system for the applications in neurophysiology
Başlık çevirisi mevcut değil.
- Tez No: 28289
- Danışmanlar: YRD. DOÇ. DR. EWA DOĞRU
- Tez Türü: Yüksek Lisans
- Konular: Biyoloji, Biology
- Anahtar Kelimeler: Data Toplama, Data analizi, Uyarilmis duyum potansiyelleri. Bilimdali Sayisal, Signal Acquisition, Signal Analysis, BAEP Science
- Yıl: 1993
- Dil: İngilizce
- Üniversite: Orta Doğu Teknik Üniversitesi
- Enstitü: Fen Bilimleri Enstitüsü
- Ana Bilim Dalı: Biyoloji Ana Bilim Dalı
- Bilim Dalı: Belirtilmemiş.
- Sayfa Sayısı: 79
Özet
ABSTRACT,.,,A COMPUIEELBASEaSIGNAL ACgUISITIO^ AND EYALUATION SYSTEM, FOR APPLICATIONS DST NEUROPHYSIOLOGY HENDRICKS, Nafiz Jack MS. in Biology Supervisor: Y. Doç. Dr. Ewa DO?RU January, 1993, 64 pages A computer based system meeting the requirements of the neurobiological research going on in our lab was designed for signal acquisition, storage and transfer to a higher-processing-power computer, IBM 3090, located on METU network. The intention was to maximally utilise the resources already available. Signal acquisition system has modular structure for the ease of up-grading and reorganization depending on the purpose of investigation. Keal-time data display was implemented for on-line control and evaluation of the experiment. Analog and digital filters was used to produce possibly high signal-to-noise ratio. PDP-11 minicomputer based signal acquisition system includes a shielded room, a hand made, low noise, 8-channel diffierential amplifier, a sofhvare for PDP-11 that manages data organization, control över the signal acquisition, temporary storage and transfer of data to IBM PC. A sofhvare for IBM PC receives incoming data and reorganizes it to provide comnıercial compatibility necessary for the fürther analysis and easy retrieval. Analysis of multi-dimensional electrophysiological data needs high processing power. Instead of employing an expensive workstation, we used network to access IBM 3090 mainframe. iiiSistemi test etmek için, siçandan uyarilmis duyum potansiyellleri toplandi. Coherent ve seçilerek avarajlama uygulandi. Bu sinyaller zaman baglaminda incelendi.
Özet (Çeviri)
ABSTRACT,.,,A COMPUIEELBASEaSIGNAL ACgUISITIO^ AND EYALUATION SYSTEM, FOR APPLICATIONS DST NEUROPHYSIOLOGY HENDRICKS, Nafiz Jack MS. in Biology Supervisor: Y. Doç. Dr. Ewa DO?RU January, 1993, 64 pages A computer based system meeting the requirements of the neurobiological research going on in our lab was designed for signal acquisition, storage and transfer to a higher-processing-power computer, IBM 3090, located on METU network. The intention was to maximally utilise the resources already available. Signal acquisition system has modular structure for the ease of up-grading and reorganization depending on the purpose of investigation. Keal-time data display was implemented for on-line control and evaluation of the experiment. Analog and digital filters was used to produce possibly high signal-to-noise ratio. PDP-11 minicomputer based signal acquisition system includes a shielded room, a hand made, low noise, 8-channel diffierential amplifier, a sofhvare for PDP-11 that manages data organization, control över the signal acquisition, temporary storage and transfer of data to IBM PC. A sofhvare for IBM PC receives incoming data and reorganizes it to provide comnıercial compatibility necessary for the fürther analysis and easy retrieval. Analysis of multi-dimensional electrophysiological data needs high processing power. Instead of employing an expensive workstation, we used network to access IBM 3090 mainframe. iiiTo test the system efficiency, the rat Auditory Evoked Potentials were collected and averaged using the coherent and selectve averaging techniques. The obtained data was analysed in time domain.
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